<!DOCTYPE html>
html(lang="zh-CN")
    head
        meta(charset="UTF-8")
        meta(name="viewport", content="width=device-width, initial-scale=1.0")
        meta(http-equiv="X-UA-Compatible", content="ie=edge")
        title DEMO
        link(rel='stylesheet' href='main.css')
    body

        .scene
        div
            button#open 打开
            button#close 关闭
        #imgbox


        script(src='main.js')
